Forecast

    Bethlehem, PA
    Forecast for Bethlehem, PA | Forecast Periods: 14
    Monday
    Jun 23
    2025

    Bethlehem, PA

    Updated: 10:49 AM EDT

    99°F

    Sunny

    0 mph NW
    Precipitation: 1%

    Sunny, with a high near 99. Heat index values as high as 110. Northwest wind 0 to 5 mph.

    24-Hour Temperature & Dewpoint Trend

    4 PM6 PM8 PM10 PM12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM0255075100Temperature (°F)0255075100Percent (%)
    • Temperature
    • Dewpoint
    • Humidity
    • Precipitation

    Hourly Forecast

    MON11:00
    91°F
    Sunny
    Dewpoint:24°Humidity:62%Precip:1%
    MON12:00
    94°F
    Sunny
    Dewpoint:24°Humidity:56%Precip:0%
    MON13:00
    96°F
    Sunny
    Dewpoint:24°Humidity:51%Precip:0%
    MON14:00
    97°F
    Sunny
    Dewpoint:23°Humidity:48%Precip:0%
    MON15:00
    98°F
    Sunny
    Dewpoint:23°Humidity:47%Precip:0%
    MON16:00
    99°F
    Sunny
    Dewpoint:23°Humidity:44%Precip:0%
    MON17:00
    98°F
    Sunny
    Dewpoint:23°Humidity:45%Precip:0%
    MON18:00
    97°F
    Mostly Clear
    Dewpoint:23°Humidity:46%Precip:0%
    MON19:00
    95°F
    Mostly Clear
    Dewpoint:23°Humidity:49%Precip:0%
    TUE20:00
    92°F
    Mostly Clear
    Dewpoint:23°Humidity:56%Precip:0%
    TUE21:00
    89°F
    Mostly Clear
    Dewpoint:24°Humidity:64%Precip:0%
    TUE22:00
    87°F
    Mostly Clear
    Dewpoint:24°Humidity:68%Precip:0%
    TUE23:00
    84°F
    Mostly Clear
    Dewpoint:24°Humidity:77%Precip:0%
    TUE00:00
    82°F
    Clear
    Dewpoint:24°Humidity:82%Precip:0%
    TUE01:00
    81°F
    Clear
    Dewpoint:24°Humidity:82%Precip:0%
    TUE02:00
    80°F
    Clear
    Dewpoint:24°Humidity:85%Precip:0%
    TUE03:00
    78°F
    Clear
    Dewpoint:23°Humidity:88%Precip:0%
    TUE04:00
    77°F
    Clear
    Dewpoint:23°Humidity:90%Precip:0%
    TUE05:00
    77°F
    Clear
    Dewpoint:22°Humidity:85%Precip:0%
    TUE06:00
    77°F
    Sunny
    Dewpoint:23°Humidity:87%Precip:0%
    TUE07:00
    79°F
    Sunny
    Dewpoint:23°Humidity:85%Precip:0%
    TUE08:00
    82°F
    Sunny
    Dewpoint:23°Humidity:74%Precip:0%
    TUE09:00
    86°F
    Sunny
    Dewpoint:23°Humidity:65%Precip:0%
    TUE10:00
    89°F
    Sunny
    Dewpoint:23°Humidity:59%Precip:0%

    7-Day Forecast

    Tonight

    Mon, Jun 23
    77°F
    Mostly Clear
    0 mph
    Precipitation: 0%
    Mostly clear, with a low around 77. Heat index values as high as 107. West wind around 0 mph.

    Tuesday

    Tue, Jun 24
    99°F
    Sunny
    0 mph W
    Precipitation: 3%
    Sunny, with a high near 99. Heat index values as high as 105. West wind 0 to 5 mph.

    Tuesday Night

    Tue, Jun 24
    75°F
    Mostly Clear
    0 mph NW
    Precipitation: 3%
    Mostly clear, with a low around 75. Heat index values as high as 103. Northwest wind 0 to 5 mph.

    Wednesday

    Wed, Jun 25
    96°F
    Sunny then Chance Showers And Thunderstorms
    0 mph NW
    Precipitation: 30%
    A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Sunny, with a high near 96. Northwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Wednesday Night

    Wed, Jun 25
    73°F
    Chance Showers And Thunderstorms
    0 mph N
    Precipitation: 34%
    A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Thursday

    Thu, Jun 26
    90°F
    Slight Chance Showers And Thunderstorms
    0 mph NE
    Precipitation: 61%
    A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    Thursday Night

    Thu, Jun 26
    67°F
    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
    0 mph E
    Precipitation: 61%
    Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Friday

    Fri, Jun 27
    79°F
    Chance Rain Showers then Chance Showers And Thunderstorms
    0 mph E
    Precipitation: 44%
    A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    Friday Night

    Fri, Jun 27
    68°F
    Chance Showers And Thunderstorms
    0 mph E
    Precipitation: 52%
    A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Saturday

    Sat, Jun 28
    86°F
    Chance Rain Showers then Chance Showers And Thunderstorms
    0 mph S
    Precipitation: 54%
    A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

    Saturday Night

    Sat, Jun 28
    69°F
    Chance Showers And Thunderstorms
    0 mph SE
    Precipitation: 54%
    A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Sunday

    Sun, Jun 29
    85°F
    Chance Rain Showers then Chance Showers And Thunderstorms
    0 mph NW
    Precipitation: 40%
    A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 40%.

    Sunday Night

    Sun, Jun 29
    68°F
    Chance Showers And Thunderstorms
    0 mph SE
    Precipitation: 40%
    A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

    Display Settings

    Weather Insights

    Temperature

    The current temperature in Bethlehem is 99°F. It feels very hot.

    Wind

    The wind in Bethlehem is currently blowing from the NW at 0 to 5 mph.

    Humidity

    Humidity data is not available for this period.

    Precipitation

    There is a 1% chance of precipitation.

    Dew Point

    Dewpoint data is not available for this period.